

Oil seals can be made from various materials, including rubber, silicone, and polyurethane. The choice of material often depends on the operating conditions such as temperature, pressure, and the type of lubricant being used. For the 50x65x8 oil seal, nitrile rubber (NBR) is commonly utilized due to its excellent oil resistance and durability in a range of temperatures.
The combination of PQQ and CoQ10 can amplify their respective benefits. For example, while PQQ promotes mitochondrial biogenesis, CoQ10 enhances the efficiency of ATP production in existing mitochondria. This synergy may provide enhanced energy levels, improved physical performance, and better endurance.